78439025

素因数分解:

$5^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 115706880

約数和(自身を除く): 37267855

約数列:

[1, 5, 7, 25, 35, 59, 71, 107, 175, 295, 355, 413, 497, 535, 749, 1475, 1775, 2065, 2485, 2675, 3745, 4189, 6313, 7597, 10325, 12425, 18725, 20945, 29323, 31565, 37985, 44191, 53179, 104725, 146615, 157825, 189925, 220955, 265895, 448223, 733075, 1104775, 1329475, 2241115, 3137561, 11205575, 15687805, 78439025]

約数ペア:

[(1, 78439025), (5, 15687805), (7, 11205575), (25, 3137561), (35, 2241115), (59, 1329475), (71, 1104775), (107, 733075), (175, 448223), (295, 265895), (355, 220955), (413, 189925), (497, 157825), (535, 146615), (749, 104725), (1475, 53179), (1775, 44191), (2065, 37985), (2485, 31565), (2675, 29323), (3745, 20945), (4189, 18725), (6313, 12425), (7597, 10325)]